Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Nov. 30, 2022	Aug. 31, 2022	Nov. 30, 2021	Aug. 31, 2021	Nov. 30, 2022	Nov. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 28,920		$ 21,902		$ 56,640	$ 43,756
Income taxes	(92,065)		(64,713)		(152,931)	(105,837)
Net income	324,293	$ 351,689	294,669	$ 331,179	675,982	625,848
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Unrealized Income (Loss) on Interest Rate Locks
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income taxes	(513)		(148)		(1,025)	(296)
Net income	1,521		460		3,042	919
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Unrealized Income (Loss) on Interest Rate Locks | Interest Rate Locks
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ 2,034		$ 608		$ 4,067	$ 1,215